There are many changes appeared with the Chinese degree adverbs as languages evolve over time, such as the emerging degree adverb ‘ju(巨)’ and the phrase structures like ‘巨多’, ‘巨好’, ‘巨痛’ are used in our daily communication commonly. This article discussed about the evolution mechanism of the Chinese emerging degree adverb ‘ju(巨)’s meaning in perspective of cognitive linguistics. First, we focused on the prototype meaning of ‘ju(巨)’ which is a adjective and the existing meaning of ‘ju(巨)’ which is used as a degree adverb. Second, we compared the image schema of the adjective ‘ju(巨)’ with the image schema of the degree adverb ‘ju(巨)’ and managed to find the differences between them. Then we studied the evolution mechanism of the degree adverb ‘ju(巨)’s meaning that is metaphor and made ‘ju(巨)’s metaphor mapping model. Third, we chose ‘巨多’, ‘巨好’ and ‘巨痛’ as examples by corpus-based study and used the conceptual blending theory to compared the conceptual blending spaces of them. Lastly, we found a general rule that can have reference significance to the study about the evolution of the other emerging degree adverbs, such as ‘狂’, ‘神’and so on. 저 자